PROBLEM TO BE SOLVED: To provide a negative pressure treatment device that can keep proper pressure without disturbing a flow of fluid in a closed part, and can easily be installed in a wound part by keeping proper pressure without increasing the number of tubes directly connected to the closed part.SOLUTION: A negative pressure treatment device 10 includes: a covering material 14 for covering a wound part 12 a liquid supply container 18 in which liquid 16 is stored a supply flow passage 20 for supplying the liquid 16 to the wound part 12 a suction flow passage 24 where waste liquid 22 is discharged from the wound part 12 suction means 26 for sucking the waste liquid 22 a storage container 28 for storing the waste liquid 22 a branch route 30 connected to the supply flow passage 20 and pressure measurement means PS and pressure adjustment means 32 provided to the branch route 30.COPYRIGHT: (C)2015,JPO&INPIT【課題】本発明の目的は、閉塞部内の流体の流れを乱すことなく適正圧力を保持できる陰圧治療装置を提供することにある。また、閉塞部に直接つながるチューブ数を増やさずに適正圧力を保持することで、創傷部へ容易に設置できる陰圧治療装置を提供することにある。【解決手段】本発明の陰圧治療装置10は、創傷部12を覆う被覆材14、液体16を貯留した液体供給容器18、創傷部12に液体16を供給する供給流路20、創傷部12から廃液22が排出される吸引流路24、廃液22を吸引するための吸引手段26、廃液22を収容する収容容器28、供給流路20につながる分岐経路30、分岐経路30に設けられた圧力測定手段PSおよび圧力調整手段32を備える。【選択図】図1
